This story is exceptional and do read the book. The body had died and then for all intents and purposes, the spirit body resurrected the body and went to work at quickly healing all damage faster than any thought possible.
What has become exceptionally clear is that the spirit world has decided to bring back a large number of witnesses to inform us of how the afterlife works. This mass of direct evidence that is mostly undeniable unless you are mentally frozen is powerful and sufficient to provide ample necessary detail.
The after life appears to have many flavors as well determined by expectation but all address the same issues. all this makes the phenomena increasingly credible.